10
records
IPv4 Addresses
TTL
community.hobsons.com. 60 IN A 100.56.197.125 community.hobsons.com. 60 IN A 3.233.9.184 community.hobsons.com. 60 IN A 52.55.204.174
Name Servers
TTL
20m
20m
20m
community.hobsons.com. 1200 IN NS ns-1172.awsdns-18.org. community.hobsons.com. 1200 IN NS ns-1833.awsdns-37.co.uk. community.hobsons.com. 1200 IN NS ns-647.awsdns-16.net. community.hobsons.com. 1200 IN NS ns-91.awsdns-11.com.
Mail Servers
TTL
community.hobsons.com. 300 IN MX 10 inbound-smtp.us-east-1.amazonaws.com.
SOA Details
TTL
15m
SOA
Responsible
awsdns-hostmaster.amazon.com
SOA
Serial
1
SOA
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
community.hobsons.com. 900 IN SOA ns-647.awsdns-16.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Subdomain Policy
Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.
none
quarantine
reject
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
community.hobsons.com. 300 IN DMARC v=DMARC1; p=none; rua=mailto:[email protected]; sp=none; adkim=r; aspf=r; fo=1